Ottawa and the provinces made $186 million from various taxes on cannabis from last October through the end of March, numbers released Wednesday show. The provinces took the lion’s share of that money, with $132 million in combined sales tax and excise tax revenue; the federal treasury took in $55 million. Governments face a dilemma taxing cannabis, says Brock University business professor Michael Armstrong. “It’s a tradeoff — the more you increase taxes the more…